Geographic and Product Line Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Revenues	$ 24,677	$ 16,274	$ 43,361	$ 35,187
Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Revenues, Percentage	100.00%	100.00%	100.00%	100.00%
The Americas [Member]
Segment Reporting Information [Line Items]
Revenues	$ 16,940	$ 13,560	$ 30,807	$ 27,823
The Americas [Member] | Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Revenues, Percentage	68.60%	83.30%	71.00%	79.10%
Asia-Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	$ 6,759	$ 2,087	$ 10,821	$ 6,208
Asia-Pacific [Member] | Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Revenues, Percentage	27.40%	12.80%	25.00%	17.60%
Europe and Africa [Member]
Segment Reporting Information [Line Items]
Revenues	$ 978	$ 627	$ 1,733	$ 1,156
Europe and Africa [Member] | Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Revenues, Percentage	4.00%	3.90%	4.00%	3.30%